Here's the retro.
http://www.india-forums.com/podcast/podcast.asp?id=264
1. Who is the singer in the first song.
2. Last song again the main singer but with that also do tell in which language is the first two lines being sung. Hint : It was one of Bapuji's very very favourite song and he used to ask the poet of the song to sing it whenever they used to meet.
3. There's one song sung by S D Burman in the retro. Can you identify the song.